From patchwork Sun Mar 30 17:03:05 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caleb James DeLisle X-Patchwork-Id: 14032960 Received: from mail.cjdns.fr (mail.cjdns.fr [5.135.140.105]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 976961DFE26; Sun, 30 Mar 2025 17:03:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=5.135.140.105 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743354238; cv=none; b=LjhSJ9PG4WNxc6ZIyAcYo607tsOtWJmD9n4FVDgSq4w41u7rrLy7bFkqv2ZVmQonxkfSTw5RSx/fk7PpRqNqkxxbYneamBipEP6ijTF4hLRZYiO2FAGphmji0F45G5Ogoxf1+ObSubnEZiOB+2XvcQiJEGvQdlzO+OBpXdz9CJA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743354238; c=relaxed/simple; bh=BnyPuU1fA8N7ttrMYYig7rRkfqvLrY1o10550usoT1M=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ao1mrgo7DlM3/ZbRWXXfH8rWgBSUIDd00e0ALNG6ZSz1m2nguVIWABiywVxQNcSYahvrppZWV+z6apYVvwMDoaa+RuiF8X9szUU5E/MWG6mbDN1Zx7EsLb7nihYSbXrq4TWKBevIEub1rDaBk1R9WXjgqeJvYvE7fDvWip5Rx74= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=cjdns.fr; spf=none smtp.mailfrom=cjdns.fr; dkim=pass (2048-bit key) header.d=cjdns.fr header.i=@cjdns.fr header.b=PRdHDok8; arc=none smtp.client-ip=5.135.140.105 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=cjdns.fr Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=cjdns.fr Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=cjdns.fr header.i=@cjdns.fr header.b="PRdHDok8" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id DB5532FC928; Sun, 30 Mar 2025 19:03:52 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cjdns.fr; s=dkim; t=1743354234; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=hkLMSOjML/6N8DjLAPOdlpsVnmShX6qoQxfMpsHdiGM=; b=PRdHDok8gcx7WyR8qx08NP40qJpAYubJHFl3/gaob7srq1s24jDF/qO/c1BFG4hD9XAV6P stWub7sDCHvsllzclSHifpT1MHpn9AOnomUUTsXjaBcUbQk7nmOvy6NVz1qeeHj8Nd9gMj mUz4CwNQmIbOGg4NCMyKadHVI8gCRD/qr4Tvt34E/IBW1S7q99efvk+vV84fn/vBVEZ6nu 3LsAMZAFfD33F3rlWli6pGsTM/6ZUVpCyvMbwfjqvUAN+hVLl/rXPMgqwlyU7i0XmvOWb0 HTxIxW82ApH8VqhvrTLZPOd4SQarR5pISAuzPWUUYFLR34TstbXzUKkXlmZ6ww== From: Caleb James DeLisle To: linux-mips@vger.kernel.org Cc: Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thomas Bogendoerfer , Daniel Lezcano , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, benjamin.larsson@genexis.eu, linux-mediatek@lists.infradead.org, Caleb James DeLisle Subject: [PATCH v3 09/10] mips: dts: Add EcoNet DTS with EN751221 and SmartFiber XP8421-B board Date: Sun, 30 Mar 2025 17:03:05 +0000 Message-Id: <20250330170306.2584136-10-cjd@cjdns.fr> In-Reply-To: <20250330170306.2584136-1-cjd@cjdns.fr> References: <20250330170306.2584136-1-cjd@cjdns.fr> Precedence: bulk X-Mailing-List: linux-mips@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 Add DTS files in support of EcoNet platform, including SmartFiber XP8421-B, a low cost commercially available board based on EN751221. Signed-off-by: Caleb James DeLisle --- To my knowledge, evaluation boards from EcoNet are not currently available. SmartFiber XP8421-B is currently manufactured, low cost, and can be purchased as single units by the general public. --- arch/mips/boot/dts/Makefile | 1 + arch/mips/boot/dts/econet/Makefile | 2 + arch/mips/boot/dts/econet/en751221.dtsi | 67 +++++++++++++++++++ .../econet/en751221_smartfiber_xp8421-b.dts | 19 ++++++ arch/mips/econet/Kconfig | 11 +++ 5 files changed, 100 insertions(+) create mode 100644 arch/mips/boot/dts/econet/Makefile create mode 100644 arch/mips/boot/dts/econet/en751221.dtsi create mode 100644 arch/mips/boot/dts/econet/en751221_smartfiber_xp8421-b.dts diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile index ff468439a8c4..7375c6ced82b 100644 --- a/arch/mips/boot/dts/Makefile +++ b/arch/mips/boot/dts/Makefile @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 subdir-$(CONFIG_BMIPS_GENERIC) += brcm subdir-$(CONFIG_CAVIUM_OCTEON_SOC) += cavium-octeon +subdir-$(CONFIG_ECONET) += econet subdir-$(CONFIG_EYEQ) += mobileye subdir-$(CONFIG_FIT_IMAGE_FDT_MARDUK) += img subdir-$(CONFIG_FIT_IMAGE_FDT_BOSTON) += img diff --git a/arch/mips/boot/dts/econet/Makefile b/arch/mips/boot/dts/econet/Makefile new file mode 100644 index 000000000000..b467d5624e39 --- /dev/null +++ b/arch/mips/boot/dts/econet/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +dtb-$(CONFIG_DTB_ECONET_SMARTFIBER_XP8421_B) += en751221_smartfiber_xp8421-b.dtb diff --git a/arch/mips/boot/dts/econet/en751221.dtsi b/arch/mips/boot/dts/econet/en751221.dtsi new file mode 100644 index 000000000000..66197e73d4f0 --- /dev/null +++ b/arch/mips/boot/dts/econet/en751221.dtsi @@ -0,0 +1,67 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/dts-v1/; + +/ { + compatible = "econet,en751221"; + #address-cells = <1>; + #size-cells = <1>; + + hpt_clock: clock { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <200000000>; /* 200 MHz */ + }; + + cpus: cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + compatible = "mips,mips24KEc"; + reg = <0>; + }; + }; + + cpuintc: interrupt-controller { + compatible = "mti,cpu-interrupt-controller"; + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <1>; + }; + + intc: interrupt-controller@1fb40000 { + compatible = "econet,en751221-intc"; + reg = <0x1fb40000 0x100>; + interrupt-parent = <&cpuintc>; + interrupts = <2>; + + interrupt-controller; + #interrupt-cells = <1>; + econet,shadow-interrupts = <7 2>, <8 3>, <13 12>, <30 29>; + }; + + uart: serial@1fbf0000 { + compatible = "ns16550"; + reg = <0x1fbf0000 0x30>; + reg-io-width = <4>; + reg-shift = <2>; + interrupt-parent = <&intc>; + interrupts = <0>; + /* + * Conversion of baud rate to clock frequency requires a + * computation that is not in the ns16550 driver, so this + * uart is fixed at 115200 baud. + */ + clock-frequency = <1843200>; + }; + + timer_hpt: timer@1fbf0400 { + compatible = "econet,en751221-timer"; + reg = <0x1fbf0400 0x100>; + + interrupt-parent = <&intc>; + interrupts = <30>; + clocks = <&hpt_clock>; + }; +}; diff --git a/arch/mips/boot/dts/econet/en751221_smartfiber_xp8421-b.dts b/arch/mips/boot/dts/econet/en751221_smartfiber_xp8421-b.dts new file mode 100644 index 000000000000..8223c5bce67f --- /dev/null +++ b/arch/mips/boot/dts/econet/en751221_smartfiber_xp8421-b.dts @@ -0,0 +1,19 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/dts-v1/; + +#include "en751221.dtsi" + +/ { + model = "SmartFiber XP8421-B"; + compatible = "smartfiber,xp8421-b", "econet,en751221"; + + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x1c000000>; + }; + + chosen { + stdout-path = "/serial@1fbf0000:115200"; + linux,usable-memory-range = <0x00020000 0x1bfe0000>; + }; +}; diff --git a/arch/mips/econet/Kconfig b/arch/mips/econet/Kconfig index d03f90f3daa4..fd69884cc9a8 100644 --- a/arch/mips/econet/Kconfig +++ b/arch/mips/econet/Kconfig @@ -32,6 +32,17 @@ choice config DTB_ECONET_NONE bool "None" + + config DTB_ECONET_SMARTFIBER_XP8421_B + bool "EN751221 SmartFiber XP8421-B" + depends on SOC_ECONET_EN751221 + select BUILTIN_DTB + help + The SmartFiber XP8421-B is a device based on the EN751221 SoC. + It has 512MB of memory and 256MB of NAND flash. This kernel + needs only an appended initramfs to boot. It can be loaded + through XMODEM and booted from memory in the bootloader, or + it can be packed in tclinux.trx format and written to flash. endchoice endif